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Lolu chungechunge lwabekwa kunqolobane. Uyacelwa ubuze umbuzo omusha uma udinga usizo.

I have windows XP but firefox does not recognize my system and says it does not support my system. What can I do to upgrade?

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While it says you support windows XP it refused to allow me to upgrade.

While it says you support windows XP it refused to allow me to upgrade.

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For some reason, your browser is identifying your OS as Windows NT4, which is from the 90s. This is the useragent string associated with your question:

Mozilla/5.0 (Windows; U; WinNT4.0; en-US; rv:1.9.2.10) Gecko/20100914 YFF35 Firefox/3.6.10 ( .NET CLR 3.5.30729)

You may want to reset all manual changes to the useragent. This article describes the steps: Websites or add-ons incorrectly report incompatible browser | Troubleshooting | Firefox Help.

Any luck?